1998 SS2

1998SS2, 1999 WW, 1999WW, 44354, J98S02S, J99W00W

All data for this body: [vot]

MPC data
Name (number) 1998 SS2 (44354)
a 2.57492
e 0.18165
i / sin(i) 12.3761 / 0.21433
q 2.10719
Q 3.04265
ω 57.4338
Node 258.8460
m 201.8066
n 0.2385
Epoch 2460800.5
nobs 3413
nopp 22
Years observed 1990-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.576
ep 0.147
sin(ip) 0.232
G 0.150
H 13.550
Mass
D 5.10 0.069
pV 0.291 0.0216
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.7900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5758 0.1471 0.2323 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.08 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
5.23 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.283 0.0259 0.0259 Masiero 2011ApJ...741...68M NEATM
0.309 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT